//
//  AddressBook.m
//  HomeWork_自定义Cell
//
//  Created by 黄威 on 16/6/21.
//  Copyright © 2016年 黄威. All rights reserved.
//

#import "AddressBook.h"

@implementation AddressBook

- (instancetype)init{

    self = [super init];
    
    if (self) {
        self.DicOfContact = [[NSMutableDictionary alloc]initWithCapacity:10];
    }

    return self;
}

- (NSArray<NSString *> *)getGroupNames{



    return [self.DicOfContact.allKeys sortedArrayUsingSelector:@selector(compare:)];

}















































@end
